Species: alifanovi AVERIANOV & LOPTAN, 2022
Etymology: In honor of Russian paleontologist Vladimir Alifanov who fhound the species in 1999.

Holotype: PIN no. 5838/1

Locality: Nemegt, Nemegt basin, Ömnögov (South Gobi), Mongolia.

Horizon: Barun Goyot Formation.

Biostratigraphy:

Age: Middle –Late Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous..

Material: A partial skeleotn, consisting of the main block, which includes fragments of 2 last dorsal vertebrae, 3 anterior sacral vertebrae, right ilium, let and right pubes and ischium, articulated right tibia, fibula, metatarsals II and IV, and phalanges IV-1 and IV-2, and bones freed from the matrix; right carpometacarous, left and right manual phalanx II-1, right femur, left pedal phalanx II-1, and fragmetns of unidentifided phalanges.